MAINSPRING
For Seiko Y754-4000
301/758
Discontinued: Yes
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Parrenin 251 | PIN LEVER | 5.25 x 8.25 |
| Parrenin 251 | PIN LEVER | 5.25 x 8.25 |
| Seiko H557-5200 | SEIKO CASE REFERENCE | |
| Wittnauer 11AW | AUTOMATIC DIRECT CENTER SECOND | 11.5 |
